<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <style>
        div {
            width: 200px;
            height: 200px;
            border: 1px solid red;
            /*设置超出部分的显示方式*/
            overflow: scroll;
        }
        img {
            width: 100px;
            /*设置行内元素的垂直对齐方式
              baseline基线对其(默认)
              top上对齐
              bottom下对齐
              middle中间对齐*/
            vertical-align: middle;
        }
    </style>
</head>
<body>
<input type="text"><img src="../b.jpg">

<div><img src="../b.jpg" alt=""></div>
</body>
</html>